hello guys need some help here.. i am currently on 2.0 jailbroken iphone.. with tons of songs and apps.. what i want to know is there a way i can upgrade to 2.1 and then re jailbreak.. without having to loose my songs and the apps?/ because when i was on 1.3 i had to restore then upgrade to 2.0 and then jailbreakk.. so anyway i can actaully jus upgrade and jailbreak after without loosing songs and apps.. thankx